[#746] Add a no-op function for when the user calls a 3D-only function from a 2D sketch. Split ambientLight() into 2D/3D
[#746] Add a no-op function for when the user calls a 3D-only function from a 2D sketch. Split ambientLight() into 2D/3D

jeresig/processing-js,jeresig/processing-js,kevinb7/processing-js,corbanbrook/processing-js,guazipi/processing-js,jaredly/processing-js,guazipi/processing-js,baiyanghese/processing-js,corbanbrook/processing-js,jaredly/processing-js,corbanbrook/processing-js,baiyanghese/processing-js,kevinb7/processing-js